96720040 has 16 divisors (see below), whose sum is σ = 217620180. Its totient is φ = 38688000.

The previous prime is 96720023. The next prime is 96720047. The reversal of 96720040 is 4002769.

It can be written as a sum of positive squares in 2 ways, for example, as 92582884 + 4137156 = 9622^2 + 2034^2 .

It is a super-2 number, since 2×96720040² = 18709532275203200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 96719990 and 96720008.

It is not an unprimeable number, because it can be changed into a prime (96720047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208961 + ... + 1209040.

Almost surely, 2^96720040 is an apocalyptic number.

It is an amenable number.

96720040 is an abundant number, since it is smaller than the sum of its proper divisors (120900140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

96720040 is a wasteful number, since it uses less digits than its factorization.

96720040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418012 (or 2418008 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 96720040 is about 9834.6347161448. The cubic root of 96720040 is about 459.0276246223.

The spelling of 96720040 in words is "ninety-six million, seven hundred twenty thousand, forty".